[mirror_edk2.git] / SecurityPkg / Library / Tpm12CommandLib / Tpm12NvStorage.c

/** @file\r
  Implement TPM1.2 NV storage related command.\r
\r
Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved. <BR>\r
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <PiPei.h>\r
#include <Library/Tpm12CommandLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/Tpm12DeviceLib.h>\r
\r
//\r
// Max TPM NV value length\r
//\r
#define TPMNVVALUELENGTH  1024\r
\r
#pragma pack(1)\r
\r
typedef struct {\r
  TPM_RQU_COMMAND_HDR   Hdr;\r
  TPM12_NV_DATA_PUBLIC  PubInfo;\r
  TPM_ENCAUTH           EncAuth;\r
} TPM_CMD_NV_DEFINE_SPACE;\r
\r
typedef struct {\r
  TPM_RQU_COMMAND_HDR   Hdr;\r
  TPM_NV_INDEX          NvIndex;\r
  UINT32                Offset;\r
  UINT32                DataSize;\r
} TPM_CMD_NV_READ_VALUE;\r
\r
typedef struct {\r
  TPM_RSP_COMMAND_HDR   Hdr;\r
  UINT32                DataSize;\r
  UINT8                 Data[TPMNVVALUELENGTH];\r
} TPM_RSP_NV_READ_VALUE;\r
\r
typedef struct {\r
  TPM_RQU_COMMAND_HDR   Hdr;\r
  TPM_NV_INDEX          NvIndex;\r
  UINT32                Offset;\r
  UINT32                DataSize;\r
  UINT8                 Data[TPMNVVALUELENGTH];\r
} TPM_CMD_NV_WRITE_VALUE;\r
\r
#pragma pack()\r
\r
/**\r
  Send NV DefineSpace command to TPM1.2.\r
\r
  @param PubInfo           The public parameters of the NV area.\r
  @param EncAuth           The encrypted AuthData, only valid if the attributes require subsequent authorization.\r
\r
  @retval EFI_SUCCESS      Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR Unexpected device behavior.\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm12NvDefineSpace (\r
  IN TPM12_NV_DATA_PUBLIC  *PubInfo,\r
  IN TPM_ENCAUTH           *EncAuth\r
  )\r
{\r
  EFI_STATUS               Status;\r
  TPM_CMD_NV_DEFINE_SPACE  Command;\r
  TPM_RSP_COMMAND_HDR      Response;\r
  UINT32                   Length;\r
\r
  //\r
  // send Tpm command TPM_ORD_NV_DefineSpace\r
  //\r
  Command.Hdr.tag         = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
  Command.Hdr.paramSize   = SwapBytes32 (sizeof (Command));\r
  Command.Hdr.ordinal     = SwapBytes32 (TPM_ORD_NV_DefineSpace);\r
  Command.PubInfo.tag     = SwapBytes16 (PubInfo->tag);\r
  Command.PubInfo.nvIndex = SwapBytes32 (PubInfo->nvIndex);\r
  Command.PubInfo.pcrInfoRead.pcrSelection.sizeOfSelect  = SwapBytes16 (PubInfo->pcrInfoRead.pcrSelection.sizeOfSelect);\r
  Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[0]  = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[0];\r
  Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[1]  = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[1];\r
  Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[2]  = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[2];\r
  Command.PubInfo.pcrInfoRead.localityAtRelease          = PubInfo->pcrInfoRead.localityAtRelease;\r
  CopyMem (&Command.PubInfo.pcrInfoRead.digestAtRelease, &PubInfo->pcrInfoRead.digestAtRelease, sizeof(PubInfo->pcrInfoRead.digestAtRelease));\r
  Command.PubInfo.pcrInfoWrite.pcrSelection.sizeOfSelect = SwapBytes16 (PubInfo->pcrInfoWrite.pcrSelection.sizeOfSelect);\r
  Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[0] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[0];\r
  Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[1] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[1];\r
  Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[2] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[2];\r
  Command.PubInfo.pcrInfoWrite.localityAtRelease         = PubInfo->pcrInfoWrite.localityAtRelease;\r
  CopyMem (&Command.PubInfo.pcrInfoWrite.digestAtRelease, &PubInfo->pcrInfoWrite.digestAtRelease, sizeof(PubInfo->pcrInfoWrite.digestAtRelease));\r
  Command.PubInfo.permission.tag        = SwapBytes16 (PubInfo->permission.tag);\r
  Command.PubInfo.permission.attributes = SwapBytes32 (PubInfo->permission.attributes);\r
  Command.PubInfo.bReadSTClear          = PubInfo->bReadSTClear;\r
  Command.PubInfo.bWriteSTClear         = PubInfo->bWriteSTClear;\r
  Command.PubInfo.bWriteDefine          = PubInfo->bWriteDefine;\r
  Command.PubInfo.dataSize              = SwapBytes32 (PubInfo->dataSize);\r
  CopyMem (&Command.EncAuth, EncAuth, sizeof(*EncAuth));\r
  Length = sizeof (Response);\r
  Status = Tpm12SubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
  DEBUG ((DEBUG_INFO, "Tpm12NvDefineSpace - ReturnCode = %x\n", SwapBytes32 (Response.returnCode)));\r
  switch (SwapBytes32 (Response.returnCode)) {\r
  case TPM_SUCCESS:\r
    return EFI_SUCCESS;\r
  default:\r
    return EFI_DEVICE_ERROR;\r
  }\r
}\r
\r
/**\r
  Send NV ReadValue command to TPM1.2.\r
\r
  @param NvIndex           The index of the area to set.\r
  @param Offset            The offset into the area.\r
  @param DataSize          The size of the data area.\r
  @param Data              The data to set the area to.\r
\r
  @retval EFI_SUCCESS      Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR Unexpected device behavior.\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm12NvReadValue (\r
  IN TPM_NV_INDEX  NvIndex,\r
  IN UINT32        Offset,\r
  IN OUT UINT32    *DataSize,\r
  OUT UINT8        *Data\r
  )\r
{\r
  EFI_STATUS             Status;\r
  TPM_CMD_NV_READ_VALUE  Command;\r
  TPM_RSP_NV_READ_VALUE  Response;\r
  UINT32                 Length;\r
\r
  //\r
  // send Tpm command TPM_ORD_NV_ReadValue\r
  //\r
  Command.Hdr.tag       = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
  Command.Hdr.paramSize = SwapBytes32 (sizeof (Command));\r
  Command.Hdr.ordinal   = SwapBytes32 (TPM_ORD_NV_ReadValue);\r
  Command.NvIndex       = SwapBytes32 (NvIndex);\r
  Command.Offset        = SwapBytes32 (Offset);\r
  Command.DataSize      = SwapBytes32 (*DataSize);\r
  Length = sizeof (Response);\r
  Status = Tpm12SubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
  DEBUG ((DEBUG_INFO, "Tpm12NvReadValue - ReturnCode = %x\n", SwapBytes32 (Response.Hdr.returnCode)));\r
  switch (SwapBytes32 (Response.Hdr.returnCode)) {\r
  case TPM_SUCCESS:\r
    break;\r
  default:\r
    return EFI_DEVICE_ERROR;\r
  }\r
\r
  //\r
  // Return the response\r
  //\r
  if (SwapBytes32 (Response.DataSize) > *DataSize) {\r
    return EFI_BUFFER_TOO_SMALL;\r
  }\r
  *DataSize = SwapBytes32 (Response.DataSize);\r
  ZeroMem (Data, *DataSize);\r
  CopyMem (Data, &Response.Data, *DataSize);\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Send NV WriteValue command to TPM1.2.\r
\r
  @param NvIndex           The index of the area to set.\r
  @param Offset            The offset into the NV Area.\r
  @param DataSize          The size of the data parameter.\r
  @param Data              The data to set the area to.\r
\r
  @retval EFI_SUCCESS      Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR Unexpected device behavior.\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm12NvWriteValue (\r
  IN TPM_NV_INDEX  NvIndex,\r
  IN UINT32        Offset,\r
  IN UINT32        DataSize,\r
  IN UINT8         *Data\r
  )\r
{\r
  EFI_STATUS              Status;\r
  TPM_CMD_NV_WRITE_VALUE  Command;\r
  UINT32                  CommandLength;\r
  TPM_RSP_COMMAND_HDR     Response;\r
  UINT32                  ResponseLength;\r
\r
  if (DataSize > sizeof (Command.Data)) {\r
    return EFI_UNSUPPORTED;\r
  }\r
\r
  //\r
  // send Tpm command TPM_ORD_NV_WriteValue\r
  //\r
  Command.Hdr.tag       = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
  CommandLength = sizeof (Command) - sizeof(Command.Data) + DataSize;\r
  Command.Hdr.paramSize = SwapBytes32 (CommandLength);\r
  Command.Hdr.ordinal   = SwapBytes32 (TPM_ORD_NV_WriteValue);\r
  Command.NvIndex       = SwapBytes32 (NvIndex);\r
  Command.Offset        = SwapBytes32 (Offset);\r
  Command.DataSize      = SwapBytes32 (DataSize);\r
  CopyMem (Command.Data, Data, DataSize);\r
  ResponseLength = sizeof (Response);\r
  Status = Tpm12SubmitCommand (CommandLength, (UINT8 *)&Command, &ResponseLength, (UINT8 *)&Response);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
  DEBUG ((DEBUG_INFO, "Tpm12NvWritedValue - ReturnCode = %x\n", SwapBytes32 (Response.returnCode)));\r
  switch (SwapBytes32 (Response.returnCode)) {\r
  case TPM_SUCCESS:\r
    return EFI_SUCCESS;\r
  default:\r
    return EFI_DEVICE_ERROR;\r
  }\r
}\r
Commit	Line	Data
92ca0c67 JY	1	/** @file\r
	2	Implement TPM1.2 NV storage related command.\r
	3	\r
b3548d32	4	Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved. <BR>\r
8b1331df	5	(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r
289b714b	6	SPDX-License-Identifier: BSD-2-Clause-Patent\r
92ca0c67 JY	7	\r
	8	**/\r
	9	\r
83b9662f	10	#include <PiPei.h>\r
92ca0c67	11	#include <Library/Tpm12CommandLib.h>\r
83b9662f	12	#include <Library/BaseLib.h>\r
92ca0c67	13	#include <Library/DebugLib.h>\r
83b9662f MK	14	#include <Library/BaseMemoryLib.h>\r
83b9662f MK	15	#include <Library/Tpm12DeviceLib.h>\r
92ca0c67 JY	16	\r
92ca0c67 JY	17	//\r
83b9662f	18	// Max TPM NV value length\r
92ca0c67	19	//\r
83b9662f	20	#define TPMNVVALUELENGTH 1024\r
92ca0c67 JY	21	\r
	22	#pragma pack(1)\r
	23	\r
	24	typedef struct {\r
	25	TPM_RQU_COMMAND_HDR Hdr;\r
	26	TPM12_NV_DATA_PUBLIC PubInfo;\r
	27	TPM_ENCAUTH EncAuth;\r
	28	} TPM_CMD_NV_DEFINE_SPACE;\r
	29	\r
92ca0c67 JY	30	typedef struct {\r
	31	TPM_RQU_COMMAND_HDR Hdr;\r
	32	TPM_NV_INDEX NvIndex;\r
	33	UINT32 Offset;\r
	34	UINT32 DataSize;\r
	35	} TPM_CMD_NV_READ_VALUE;\r
	36	\r
	37	typedef struct {\r
	38	TPM_RSP_COMMAND_HDR Hdr;\r
	39	UINT32 DataSize;\r
83b9662f	40	UINT8 Data[TPMNVVALUELENGTH];\r
92ca0c67 JY	41	} TPM_RSP_NV_READ_VALUE;\r
	42	\r
	43	typedef struct {\r
	44	TPM_RQU_COMMAND_HDR Hdr;\r
	45	TPM_NV_INDEX NvIndex;\r
	46	UINT32 Offset;\r
	47	UINT32 DataSize;\r
83b9662f	48	UINT8 Data[TPMNVVALUELENGTH];\r
92ca0c67 JY	49	} TPM_CMD_NV_WRITE_VALUE;\r
92ca0c67 JY	50	\r
92ca0c67 JY	51	#pragma pack()\r
	52	\r
	53	/**\r
	54	Send NV DefineSpace command to TPM1.2.\r
b3548d32	55	\r
92ca0c67 JY	56	@param PubInfo The public parameters of the NV area.\r
	57	@param EncAuth The encrypted AuthData, only valid if the attributes require subsequent authorization.\r
	58	\r
	59	@retval EFI_SUCCESS Operation completed successfully.\r
	60	@retval EFI_DEVICE_ERROR Unexpected device behavior.\r
	61	**/\r
	62	EFI_STATUS\r
	63	EFIAPI\r
	64	Tpm12NvDefineSpace (\r
	65	IN TPM12_NV_DATA_PUBLIC *PubInfo,\r
	66	IN TPM_ENCAUTH *EncAuth\r
	67	)\r
	68	{\r
83b9662f MK	69	EFI_STATUS Status;\r
	70	TPM_CMD_NV_DEFINE_SPACE Command;\r
	71	TPM_RSP_COMMAND_HDR Response;\r
	72	UINT32 Length;\r
92ca0c67 JY	73	\r
	74	//\r
	75	// send Tpm command TPM_ORD_NV_DefineSpace\r
	76	//\r
83b9662f MK	77	Command.Hdr.tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
	78	Command.Hdr.paramSize = SwapBytes32 (sizeof (Command));\r
	79	Command.Hdr.ordinal = SwapBytes32 (TPM_ORD_NV_DefineSpace);\r
	80	Command.PubInfo.tag = SwapBytes16 (PubInfo->tag);\r
	81	Command.PubInfo.nvIndex = SwapBytes32 (PubInfo->nvIndex);\r
	82	Command.PubInfo.pcrInfoRead.pcrSelection.sizeOfSelect = SwapBytes16 (PubInfo->pcrInfoRead.pcrSelection.sizeOfSelect);\r
	83	Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[0] = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[0];\r
	84	Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[1] = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[1];\r
	85	Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[2] = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[2];\r
	86	Command.PubInfo.pcrInfoRead.localityAtRelease = PubInfo->pcrInfoRead.localityAtRelease;\r
	87	CopyMem (&Command.PubInfo.pcrInfoRead.digestAtRelease, &PubInfo->pcrInfoRead.digestAtRelease, sizeof(PubInfo->pcrInfoRead.digestAtRelease));\r
	88	Command.PubInfo.pcrInfoWrite.pcrSelection.sizeOfSelect = SwapBytes16 (PubInfo->pcrInfoWrite.pcrSelection.sizeOfSelect);\r
	89	Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[0] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[0];\r
	90	Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[1] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[1];\r
	91	Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[2] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[2];\r
	92	Command.PubInfo.pcrInfoWrite.localityAtRelease = PubInfo->pcrInfoWrite.localityAtRelease;\r
	93	CopyMem (&Command.PubInfo.pcrInfoWrite.digestAtRelease, &PubInfo->pcrInfoWrite.digestAtRelease, sizeof(PubInfo->pcrInfoWrite.digestAtRelease));\r
	94	Command.PubInfo.permission.tag = SwapBytes16 (PubInfo->permission.tag);\r
	95	Command.PubInfo.permission.attributes = SwapBytes32 (PubInfo->permission.attributes);\r
	96	Command.PubInfo.bReadSTClear = PubInfo->bReadSTClear;\r
	97	Command.PubInfo.bWriteSTClear = PubInfo->bWriteSTClear;\r
	98	Command.PubInfo.bWriteDefine = PubInfo->bWriteDefine;\r
	99	Command.PubInfo.dataSize = SwapBytes32 (PubInfo->dataSize);\r
	100	CopyMem (&Command.EncAuth, EncAuth, sizeof(*EncAuth));\r
	101	Length = sizeof (Response);\r
	102	Status = Tpm12SubmitCommand (sizeof (Command), (UINT8 )&Command, &Length, (UINT8 )&Response);\r
92ca0c67 JY	103	if (EFI_ERROR (Status)) {\r
	104	return Status;\r
	105	}\r
83b9662f MK	106	DEBUG ((DEBUG_INFO, "Tpm12NvDefineSpace - ReturnCode = %x\n", SwapBytes32 (Response.returnCode)));\r
83b9662f MK	107	switch (SwapBytes32 (Response.returnCode)) {\r
92ca0c67	108	case TPM_SUCCESS:\r
83b9662f	109	return EFI_SUCCESS;\r
92ca0c67 JY	110	default:\r
	111	return EFI_DEVICE_ERROR;\r
	112	}\r
92ca0c67 JY	113	}\r
	114	\r
	115	/**\r
	116	Send NV ReadValue command to TPM1.2.\r
	117	\r
	118	@param NvIndex The index of the area to set.\r
	119	@param Offset The offset into the area.\r
	120	@param DataSize The size of the data area.\r
	121	@param Data The data to set the area to.\r
	122	\r
	123	@retval EFI_SUCCESS Operation completed successfully.\r
	124	@retval EFI_DEVICE_ERROR Unexpected device behavior.\r
	125	**/\r
	126	EFI_STATUS\r
	127	EFIAPI\r
	128	Tpm12NvReadValue (\r
83b9662f MK	129	IN TPM_NV_INDEX NvIndex,\r
	130	IN UINT32 Offset,\r
	131	IN OUT UINT32 *DataSize,\r
	132	OUT UINT8 *Data\r
92ca0c67 JY	133	)\r
92ca0c67 JY	134	{\r
83b9662f MK	135	EFI_STATUS Status;\r
	136	TPM_CMD_NV_READ_VALUE Command;\r
	137	TPM_RSP_NV_READ_VALUE Response;\r
	138	UINT32 Length;\r
92ca0c67 JY	139	\r
	140	//\r
	141	// send Tpm command TPM_ORD_NV_ReadValue\r
	142	//\r
83b9662f MK	143	Command.Hdr.tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
	144	Command.Hdr.paramSize = SwapBytes32 (sizeof (Command));\r
	145	Command.Hdr.ordinal = SwapBytes32 (TPM_ORD_NV_ReadValue);\r
	146	Command.NvIndex = SwapBytes32 (NvIndex);\r
	147	Command.Offset = SwapBytes32 (Offset);\r
	148	Command.DataSize = SwapBytes32 (*DataSize);\r
	149	Length = sizeof (Response);\r
	150	Status = Tpm12SubmitCommand (sizeof (Command), (UINT8 )&Command, &Length, (UINT8 )&Response);\r
92ca0c67 JY	151	if (EFI_ERROR (Status)) {\r
	152	return Status;\r
	153	}\r
83b9662f MK	154	DEBUG ((DEBUG_INFO, "Tpm12NvReadValue - ReturnCode = %x\n", SwapBytes32 (Response.Hdr.returnCode)));\r
83b9662f MK	155	switch (SwapBytes32 (Response.Hdr.returnCode)) {\r
92ca0c67 JY	156	case TPM_SUCCESS:\r
	157	break;\r
	158	default:\r
	159	return EFI_DEVICE_ERROR;\r
	160	}\r
	161	\r
	162	//\r
	163	// Return the response\r
	164	//\r
83b9662f MK	165	if (SwapBytes32 (Response.DataSize) > *DataSize) {\r
	166	return EFI_BUFFER_TOO_SMALL;\r
	167	}\r
	168	*DataSize = SwapBytes32 (Response.DataSize);\r
	169	ZeroMem (Data, *DataSize);\r
	170	CopyMem (Data, &Response.Data, *DataSize);\r
92ca0c67 JY	171	\r
	172	return EFI_SUCCESS;\r
	173	}\r
	174	\r
	175	/**\r
	176	Send NV WriteValue command to TPM1.2.\r
b3548d32	177	\r
92ca0c67 JY	178	@param NvIndex The index of the area to set.\r
	179	@param Offset The offset into the NV Area.\r
	180	@param DataSize The size of the data parameter.\r
	181	@param Data The data to set the area to.\r
	182	\r
	183	@retval EFI_SUCCESS Operation completed successfully.\r
	184	@retval EFI_DEVICE_ERROR Unexpected device behavior.\r
	185	**/\r
	186	EFI_STATUS\r
	187	EFIAPI\r
	188	Tpm12NvWriteValue (\r
83b9662f MK	189	IN TPM_NV_INDEX NvIndex,\r
	190	IN UINT32 Offset,\r
	191	IN UINT32 DataSize,\r
	192	IN UINT8 *Data\r
92ca0c67 JY	193	)\r
92ca0c67 JY	194	{\r
83b9662f MK	195	EFI_STATUS Status;\r
83b9662f MK	196	TPM_CMD_NV_WRITE_VALUE Command;\r
8b1331df	197	UINT32 CommandLength;\r
83b9662f	198	TPM_RSP_COMMAND_HDR Response;\r
8b1331df	199	UINT32 ResponseLength;\r
83b9662f MK	200	\r
83b9662f MK	201	if (DataSize > sizeof (Command.Data)) {\r
92ca0c67 JY	202	return EFI_UNSUPPORTED;\r
	203	}\r
	204	\r
	205	//\r
	206	// send Tpm command TPM_ORD_NV_WriteValue\r
	207	//\r
83b9662f	208	Command.Hdr.tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
8b1331df SEHM	209	CommandLength = sizeof (Command) - sizeof(Command.Data) + DataSize;\r
8b1331df SEHM	210	Command.Hdr.paramSize = SwapBytes32 (CommandLength);\r
83b9662f MK	211	Command.Hdr.ordinal = SwapBytes32 (TPM_ORD_NV_WriteValue);\r
	212	Command.NvIndex = SwapBytes32 (NvIndex);\r
	213	Command.Offset = SwapBytes32 (Offset);\r
	214	Command.DataSize = SwapBytes32 (DataSize);\r
	215	CopyMem (Command.Data, Data, DataSize);\r
8b1331df SEHM	216	ResponseLength = sizeof (Response);\r
8b1331df SEHM	217	Status = Tpm12SubmitCommand (CommandLength, (UINT8 )&Command, &ResponseLength, (UINT8 )&Response);\r
92ca0c67 JY	218	if (EFI_ERROR (Status)) {\r
	219	return Status;\r
	220	}\r
83b9662f MK	221	DEBUG ((DEBUG_INFO, "Tpm12NvWritedValue - ReturnCode = %x\n", SwapBytes32 (Response.returnCode)));\r
83b9662f MK	222	switch (SwapBytes32 (Response.returnCode)) {\r
92ca0c67	223	case TPM_SUCCESS:\r
83b9662f	224	return EFI_SUCCESS;\r
92ca0c67 JY	225	default:\r
	226	return EFI_DEVICE_ERROR;\r
	227	}\r
92ca0c67	228	}\r